COGS 100 Lecture Notes - Lecture 16: Phrase Structure Grammar, Eugene Goostman, Noam Chomsky
7 Dec 2017
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Speech recognition: steps in an automated speech recognition process, spoken language is converted to a speech spectrogram, phonemes are extracted from the speech stream, the phonemes are assembled to form words. Syntactic analysis: analyze individual words in the order they occurred, use grammar analysis techniques, ex. Analyze the phrase-structure by breaking down the sentence to its hierarchical constituents: the result is understanding how the words are grammatically related in the, the phrase strictly focuses on the structure and not the meaning. sentence structure. Grammer: the hierarchical relationships between the parts of a sentence are known as its phrase. Transformational grammar: phrase structure grammar doesn"t tell us how we can rearrange a sentence to express new meanings, noam chomsky was the first one to point this out with an example as given below. Did jessie drink a cup of coffee? : the rules that allow us to do this are known as a transformational grammar.
